Seattle Genetics Inc., of Bothell, Wash., announced that 10 programs using the company's antibody-drug conjugate (ADC) technology are now in clinical development across its 11 current ADC collaborations. That includes two additional ADC programs for which investigational new drug applications were recently submitted to the FDA by Genentech, a member of the Roche Group, of Basel, Switzerland, triggering milestone payments to Seattle Genetics.